GB2165983B - Optical pattern recognition apparatus - Google Patents

Optical pattern recognition apparatus

Info

Publication number
GB2165983B
GB2165983B GB08525237A GB8525237A GB2165983B GB 2165983 B GB2165983 B GB 2165983B GB 08525237 A GB08525237 A GB 08525237A GB 8525237 A GB8525237 A GB 8525237A GB 2165983 B GB2165983 B GB 2165983B
Authority
GB
United Kingdom
Prior art keywords
pattern recognition
recognition apparatus
optical pattern
optical
recognition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08525237A
Other versions
GB8525237D0 (en
GB2165983A (en
Inventor
Ian Robert Cooper
Martin William Mccall
Colin Roy Petts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Publication of GB8525237D0 publication Critical patent/GB8525237D0/en
Publication of GB2165983A publication Critical patent/GB2165983A/en
Application granted granted Critical
Publication of GB2165983B publication Critical patent/GB2165983B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
    • G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
    • G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
    • G06E3/003—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Optical Transform (AREA)
GB08525237A 1984-10-19 1985-10-14 Optical pattern recognition apparatus Expired GB2165983B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8426497 1984-10-19

Publications (3)

Publication Number Publication Date
GB8525237D0 GB8525237D0 (en) 1985-11-20
GB2165983A GB2165983A (en) 1986-04-23
GB2165983B true GB2165983B (en) 1988-05-25

Family

ID=10568457

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08525237A Expired GB2165983B (en) 1984-10-19 1985-10-14 Optical pattern recognition apparatus

Country Status (1)

Country Link
GB (1) GB2165983B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2353091A (en) * 1999-08-11 2001-02-14 Secr Defence Object comparator using a reference generated refractive index grating

Also Published As

Publication number Publication date
GB8525237D0 (en) 1985-11-20
GB2165983A (en) 1986-04-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee